407244444 has 12 divisors (see below), whose sum is σ = 950237064. Its totient is φ = 135748144.

The previous prime is 407244391. The next prime is 407244449. The reversal of 407244444 is 444442704.

It is a tau number, because it is divible by the number of its divisors (12).

407244444 is a modest number, since divided by 44444 gives 4072 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407244449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16968507 + ... + 16968530.

It is an arithmetic number, because the mean of its divisors is an integer number (79186422).

Almost surely, 2^407244444 is an apocalyptic number.

It is an amenable number.

407244444 is an abundant number, since it is smaller than the sum of its proper divisors (542992620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

407244444 is a wasteful number, since it uses less digits than its factorization.

407244444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33937044 (or 33937042 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 33.

The square root of 407244444 is about 20180.2984120652. The cubic root of 407244444 is about 741.2278398451.

It can be divided in two parts, 4072 and 44444, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 407244444 in words is "four hundred seven million, two hundred forty-four thousand, four hundred forty-four".